# Claude 4 Opus Thinking vs Kimi K2

> Side-by-side benchmark comparison for Claude 4 Opus Thinking and Kimi K2 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-4-opus-thinking-vs-kimi-k2
- Last updated: October 14, 2026

- Shared sourced benchmarks: 2
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Evidence is too thin for a benchmark verdict: Claude 4 Opus Thinking and Kimi K2 share only 2 sourced benchmark rows.

## Summary

- Only 2 shared sourced benchmark rows are available. That is not enough for a broad capability verdict, so this mirror does not name an overall winner.
- Claude 4 Opus Thinking has the larger published context window at 200K.

## Model Snapshot

| Property | Claude 4 Opus Thinking | Kimi K2 |
|----------|----------|----------|
| Creator | Anthropic | Moonshot AI |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Non-Reasoning |
| Context | 200K | 128K |
| Independent public score (not head-to-head) | null | 33.33 |
| Benchmarks Covered | 4 | 13 |
| Pricing (input/output) | N/A | $0.60 / $2.50 |

## Category Breakdown

### Coding

- Winner: Insufficient shared evidence
- Claude 4 Opus Thinking public-lane score: Coming soon
- Kimi K2 public-lane score: Coming soon

| Benchmark | Claude 4 Opus Thinking | Kimi K2 | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | Coming soon | 65.8% | Coming soon |
| LiveCodeBench v6 | Coming soon | 53.7% | Coming soon |
| SWE Multilingual | Coming soon | 47.3% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Claude 4 Opus Thinking public-lane score: Coming soon
- Kimi K2 public-lane score: 62.3 (Unranked · 2 rankable rows)

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Claude 4 Opus Thinking public-lane score: Coming soon
- Kimi K2 public-lane score: Coming soon

| Benchmark | Claude 4 Opus Thinking | Kimi K2 | Winner |
|-----------|-----------|-----------|--------|
| MMMU | 76.5% | Coming soon | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Claude 4 Opus Thinking public-lane score: Coming soon
- Kimi K2 public-lane score: 36.2 (Estimated · #127/181)

| Benchmark | Claude 4 Opus Thinking | Kimi K2 | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 79.6% | 75.1% | Claude 4 Opus Thinking |
| MMMLU | 88.8% | Coming soon | Coming soon |
| MMLU | Coming soon | 89.5% | Coming soon |
| SuperGPQA | Coming soon | 57.2% | Coming soon |
| MMLU-Pro | Coming soon | 81.1% | Coming soon |
| SimpleQA | Coming soon | 31% | Coming soon |
| HLE | Coming soon | 4.7% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Claude 4 Opus Thinking public-lane score: Coming soon
- Kimi K2 public-lane score: 48.4 (#86/128)

| Benchmark | Claude 4 Opus Thinking | Kimi K2 | Winner |
|-----------|-----------|-----------|--------|
| IFEval | Coming soon | 89.8% | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- Claude 4 Opus Thinking public-lane score: Coming soon
- Kimi K2 public-lane score: 0 (#12/12)

| Benchmark | Claude 4 Opus Thinking | Kimi K2 | Winner |
|-----------|-----------|-----------|--------|
| AIME 2025 | 75.5% | 49.5% | Claude 4 Opus Thinking |
| AIME 2024 | Coming soon | 69.6% | Coming soon |
| MATH-500 | Coming soon | 97.4% | Coming soon |

## FAQ

### Is there enough evidence to pick between Claude 4 Opus Thinking and Kimi K2?

Not yet. The models share only 2 sourced benchmark rows, so this mirror reports the available measurements and metadata without naming a broad winner.

### What can I compare safely on this page?

Published pricing, context windows, model type, and individual shared benchmark rows are directly comparable. Independent overall scores and non-overlapping benchmark coverage are labeled separately and should not be read as a controlled head-to-head result.

## Related Comparisons

- [Claude 4 Opus Thinking vs Claude 4 Opus](/compare/claude-4-opus-vs-claude-4-opus-thinking)
- [Kimi K2 vs Claude 4 Opus](/compare/claude-4-opus-vs-kimi-k2)
- [Claude 4 Opus Thinking vs Claude Opus 5.5](/compare/claude-4-opus-thinking-vs-claude-opus-5-5)
- [Kimi K2 vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-kimi-k2)

## Explore More

- [Claude 4 Opus Thinking profile](/models/claude-4-opus-thinking)
- [Kimi K2 profile](/models/kimi-k2)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)